Refactor switch analysis to make it possible to detect duplicate case values
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@40388 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/switch-duplicate-defaults.c b/test/Sema/switch-duplicate-defaults.c
new file mode 100644
index 0000000..31d46a1
--- /dev/null
+++ b/test/Sema/switch-duplicate-defaults.c
@@ -0,0 +1,10 @@
+// RUN: clang -parse-ast-check %s
+
+void f (int z) {
+ switch(z) {
+ default: // expected-error {{first label is here}}
+ default: // expected-error {{multiple default labels in one switch}}
+ break;
+ }
+}
+